Home / 872,731.98-1,309,245.60-446,452.92

Finding the Fourth Proportional to 872,731.98, 1,309,245.60 and 446,452.92

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Solution

The fourth proportional to 872,731.98, 1,309,245.60 and 446,452.92 is: 669,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,731.98 : 1,309,245.60 = 446,452.92 : x
  2. Step 2: Convert to fraction form
    872,731.98/1,309,245.60 = 446,452.92/x
  3. Step 3: Cross multiply
    872,731.98x = 1,309,245.60 × 446,452.92
  4. Step 4: Simplify right side
    872,731.98x = 584,516,521,117.15
  5. Step 5: Solve for x
    x = 584,516,521,117.15/872,731.98
  6. Step 6: Final answer
    x = 669,754.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.